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- fixed: Offsetting a vector by portals did not properly adjust the trace after crossing a portal.

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This commit is contained in:
Christoph Oelckers 2016-04-16 00:17:12 +02:00
parent cd75a46917
commit eb30bf6e14
1 changed files with 3 additions and 1 deletions
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4
src/portal.cpp
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@ -661,10 +661,10 @@ DVector2 P_GetOffsetPosition(double x, double y, double dx, double dy)
if (blockx < 0 || blocky < 0 || blockx >= bmapwidth || blocky >= bmapheight || !PortalBlockmap(blockx, blocky).neighborContainsLines) return dest; if (blockx < 0 || blocky < 0 || blockx >= bmapwidth || blocky >= bmapheight || !PortalBlockmap(blockx, blocky).neighborContainsLines) return dest;
} }
FLinePortalTraverse it;
bool repeat; bool repeat;
do do
{ {
FLinePortalTraverse it;
it.init(actx, acty, dx, dy, PT_ADDLINES|PT_DELTA); it.init(actx, acty, dx, dy, PT_ADDLINES|PT_DELTA);
intercept_t *in; intercept_t *in;
@ -696,6 +696,8 @@ DVector2 P_GetOffsetPosition(double x, double y, double dx, double dy)
// update the fields, end this trace and restart from the new position // update the fields, end this trace and restart from the new position
dx = dest.X - hit.X; dx = dest.X - hit.X;
dy = dest.Y - hit.Y; dy = dest.Y - hit.Y;
actx = hit.X;
acty = hit.Y;
repeat = true; repeat = true;
} }